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Sony PDW-680 Operation Manual Page 63

Professional disc camcorder.
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Opening the lens iris
Stopping down the lens iris
When the RM-B170 Remote Control Unit is
connected
The IRIS control knob of the RM-B170 can be
used for lens iris setting. In this case, the indicator
is not displayed.
To set the automatic iris window
1
Follow the procedure of steps 1 and 2
described in the previous item to
display the AUTO IRIS page.
2
Turn the MENU knob to move b to
IRIS WINDOW IND, then press the
MENU knob.
b on the left of IRIS WINDOW IND.
changes to z and z on the left of the setting
changes to ?.
3
Turn the MENU knob until ON
appears, then press the MENU knob.
z changes to b and ? changes to z.
The currently selected auto iris window
appears on the screen.
If it is not necessary to display the auto iris
window on the screen, set to OFF.
Iris opened by 1
stop (two
segments)
Iris opened by 0.5
stop (one segment)
Iris stopped down
by 1 stop (two
segments)
Iris stopped down
by 0.5 stop (one
segment)
Changing the Reference Value for Automatic Iris Adjustment
4
Turn the MENU knob to move b to
IRIS WINDOW, then press the MENU
knob.
b changes to z and z changes to ?.
5
Turn the MENU knob until the desired
auto iris window appears, then press the
MENU knob.
The shaded parts indicate the
area where light detection
z changes to b and ? changes to z.
If you select "VARIABLE", the following
items become effective and you can set the
window of the desired size. Set each item to
the desired size.
Item
IRIS VAR WIDTH
IRIS VAR HEIGHT
IRIS VAR H POS.
IRIS VAR V POS.
6
Set the MENU ON/OFF switch to OFF.
The menu disappears from the screen and the
display indicating the current status of the
camcorder appears along the top and bottom
of the screen.
To counter problems with very bright
highlights
If the subject is too bright, the iris may close too
much, leaving the overall image dark, or the
highlights may be blown out. In such cases,
setting the highlight clip function on reduces the
luminance range, avoiding problems from the
automatic iris correction.
In the AUTO IRIS page of the USER menu, set
the CLIP HIGH LIGHT item to ON.
Setting
The width of the
window
The height of the
window
The position of the
window in the
horizontal direction
The position of the
window in the vertical
direction.
63

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